CN109164126B - Infrared converter slag discharge detection system - Google Patents
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- CN109164126B CN109164126B CN201811214937.3A CN201811214937A CN109164126B CN 109164126 B CN109164126 B CN 109164126B CN 201811214937 A CN201811214937 A CN 201811214937A CN 109164126 B CN109164126 B CN 109164126B
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Abstract
The invention discloses an infrared converter slag discharge detection system which comprises a central processing module, wherein the output end of the central processing module is connected with the input end of an infrared thermal imager, the output end of the infrared thermal imager is connected with the input end of an image processing system, the image processing system comprises a thermal imaging receiving module, an A/D conversion module, a temperature data generation module and a temperature numerical analysis module, and the output end of the thermal imaging receiving module is connected with the input end of the A/D conversion module. This infrared converter slag detection system that slags down realizes detecting the record statistics to converter tap-hole on the basis of infrared converter slag detection system that slags down, has reached and can have analyzed out converter tap-hole running state condition through the recorded data, helps the on-the-spot operative employee of maintaining to repair in time and clear up the purpose of maintaining the tap-hole in the production clearance to realized making the life-span maximize of converter tap-hole under the condition that does not influence production and increase extra cost.
Description
Technical Field
The invention relates to the technical field of steel making, in particular to an infrared converter slag discharging detection system.
Background
In a converter lining, a steel outlet has special significance, the steel outlet of the converter is an outlet channel for liquid molten steel to flow from a BOF furnace to a ladle, is one of key refractory elements of the converter and is a vulnerable consumable part in the production of the converter, and the steel outlet is subjected to high-temperature molten steel scouring and oxidation erosion due to large steel passing amount, high molten steel temperature and strong molten steel oxidizability in equipment level analysis, so that the working condition is quite bad, the service life of the steel outlet is generally low and needs to be continuously repaired or replaced, and the service operation level is analyzed due to poor responsibility of a maintenance operator of a converter factory, so that the maintenance level is not timely, the maintenance level is uneven, the quality of raw materials is not only influenced, but also the quality and the production stability of the molten steel are directly influenced, for steel mills, the problems of prolonging the service life of a steel tapping hole, reducing the consumption of refractory materials, improving the steel tapping quality and reducing the production and operation cost are more and more concerned by enterprises.
A lot of improvement processes and efforts are made by various steel plants on the work of prolonging the service life of the steel-tapping hole of the converter, the service life of the steel-tapping hole of the converter of most steel plants is shorter, which is about 250 furnaces on average, meanwhile, because the heat exchange adopts manual work, the average time of the heat exchange is as long as more than 60 minutes, the service life of the steel-tapping hole is forced to be prolonged as much as possible by using the steel-tapping hole sleeve bricks with smaller inner diameters, the average steel-tapping time of the converter is further longer, the further improvement of the operation rate of the converter is greatly limited, and various steel plants search and practice through themselves to find a set of production process for prolonging the service life of the steel-tapping hole.
At present, the service life of a steel tapping hole is not greatly prolonged, the smelting period of a converter cannot be effectively shortened, the detection, recording and statistics of the converter steel tapping hole can not be realized on the basis of an infrared converter slag tapping detection system, the condition that the running state of the converter steel tapping hole can be analyzed through recorded data can not be reached, the aim that an operator for field maintenance can repair and clean the maintenance steel tapping hole in a production gap in time can be fulfilled, and therefore the service life of the converter steel tapping hole can not be maximized under the condition that the production is not influenced and extra cost is not increased.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an infrared converter slag tapping detection system, which solves the problems that the service life of the existing steel tap is not greatly prolonged, the smelting period of a converter cannot be effectively shortened, the detection, recording and statistics of the converter steel tap cannot be realized on the basis of the infrared converter slag tapping detection system, and the purpose that the running state condition of the converter steel tap can be analyzed through recording data to help a field maintenance operator to repair and clean the maintenance steel tap in a production gap in time cannot be achieved.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: an infrared converter slag discharge detection system comprises a central processing module, the output end of the central processing module is connected with the input end of an infrared thermal imager, the output end of the infrared thermal imager is connected with the input end of the image processing system, the image processing system comprises a thermal imaging receiving module, an A/D conversion module, a temperature data generating module and a temperature numerical analysis module, the output end of the thermal imaging receiving module is connected with the input end of the A/D conversion module, the output end of the A/D conversion module is connected with the input end of the temperature data generation module, the output end of the temperature data generation module is connected with the input end of the temperature numerical analysis module, the output end of the image processing system is connected with the input end of the temperature data sending module, and the output end of the temperature data sending module is connected with the input end of the central processing module.
Preferably, the central processing module is bidirectionally connected with the temperature numerical analysis and comparison system, the temperature numerical analysis and comparison system is bidirectionally connected with the data storage library, and the data storage library is bidirectionally connected with the central processing module.
Preferably, the temperature numerical analysis and comparison system comprises a front timestamp data extraction module, a front and rear timestamp data receiving module, a temperature data analysis and comparison module and an analysis and comparison result sending module, wherein the output end of the front timestamp data extraction module is connected with the input end of the front and rear timestamp data receiving module.
Preferably, the output end of the front and rear timestamp data receiving module is connected with the input end of the temperature data analysis and comparison module, and the output end of the temperature data analysis and comparison module is connected with the input end of the analysis and comparison result sending module.
Preferably, the output end of the central processing module is connected with the input end of the display unit, and the input end of the display unit is connected with the output end of the infrared thermal imager.
Preferably, the central processing module is in bidirectional connection with the real-time timing unit, and the central processing module is in bidirectional connection with the personnel operation alarm module.
Preferably, the input end of the central processing module is electrically connected with the output end of the power supply module, and the output end of the power supply module is electrically connected with the input ends of the infrared thermal imager, the temperature data sending module and the temperature numerical analysis comparison system respectively.
(III) advantageous effects
The invention provides an infrared converter slag discharge detection system. Compared with the prior art, the method has the following beneficial effects:
(1) the infrared converter slag-off detection system can realize that the infrared converter slag-off detection system developed by using the infrared thermal imager is used for distinguishing molten steel and steel slag and helping the converter length to reduce the steel slag and molten steel mixed into a large ladle in the tapping process by connecting the output end of the central processing module with the input end of the infrared thermal imager, connecting the output end of the infrared thermal imager with the input end of the image processing system, and respectively arranging the output end of the infrared thermal imager with the input end of the image processing system through the cooperation of the thermal imaging receiving module, the A/D conversion module, the temperature data generating module, the temperature numerical analysis module, the temperature data transmitting module, the temperature numerical analysis system, the temperature numerical analysis comparison system, the data storage library, the front timestamp data extracting module, the front and rear timestamp data receiving module, the temperature data analysis and comparison module, the analysis and comparison result transmitting module, the real-time unit and the personnel operation alarm module, the quality of molten steel is improved, the thermal image is analyzed and compared, the states of the molten steel, the steel slag and the steel tapping hole are accurately identified by utilizing an image processing algorithm, the service life of the steel tapping hole is greatly prolonged, the period of smelting of the converter is effectively shortened, the detection, record and statistics of the converter steel tapping hole are realized on the basis of an infrared converter slag discharging detection system, the running state condition of the converter steel tapping hole can be analyzed through recorded data, the aim of timely repairing and cleaning the steel tapping hole in a production gap by a field maintenance operator is fulfilled, and the service life of the converter steel tapping hole is maximized under the condition that the production is not influenced and the extra cost is not increased is realized.
(2) This infrared converter sediment detecting system under, through being connected with the input of display element at the output of central processing module, the rethread is connected with the output of infrared thermal imager at the input of display element, can realize showing the temperature numerical value of infrared image and conversion treatment's molten steel, slag and steel-tapping hole that infrared thermal imager gathered, also show the temperature numerical value comparison condition that every time point detected simultaneously to the staff has made things convenient for greatly to supervise.
(3) This infrared converter sediment detecting system under, through the input at central processing module and power module's output electric connection, the input electric connection that again respectively through the output at power module with infrared ray thermal imager, temperature data sending module and temperature numerical analysis contrast system respectively can realize circular telegram for entire system to entire system's normal detection work has been guaranteed.
Drawings
FIG. 1 is a schematic block diagram of the architecture of the system of the present invention;
fig. 2 is a schematic block diagram of the structure of the image processing system of the present invention.
In the figure, 1 a central processing module, 2 an infrared thermal imager, 3 an image processing system, 31 a thermal imaging receiving module, 32A/D conversion module, 33 a temperature data generating module, 34 a temperature numerical analysis module, 4 a temperature data transmitting module, 5 a temperature numerical analysis and comparison system, 51 a previous timestamp data extracting module, 52A previous timestamp data receiving module, 53 a temperature data analysis and comparison module, 54 an analysis and comparison result transmitting module, 6 a data storage library, 7 a display unit, 8 a real-time timing unit, 9 a personnel operation alarm module and 10 a power supply module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, an embodiment of the present invention provides a technical solution: an infrared converter slag-off detection system comprises a central processing module 1, wherein the output end of the central processing module 1 is connected with the input end of an infrared thermal imager 2, the output end of the infrared thermal imager 2 is connected with the input end of an image processing system 3, the image processing system 3 comprises a thermal imaging receiving module 31, an A/D conversion module 32, a temperature data generation module 33 and a temperature numerical analysis module 34, the output end of the thermal imaging receiving module 31 is connected with the input end of the A/D conversion module 32, the output end of the A/D conversion module 32 is connected with the input end of the temperature data generation module 33, the output end of the temperature data generation module 33 is connected with the input end of the temperature numerical analysis module 34, as the temperature of molten steel of a converter is about 1500-1750 ℃, the radiation brightness of a steel-tapping hole is very high, and the human eyes can not identify the system basically, the common camera can not be identified, the running state of the tap hole can be seen only through the imaging of the high-temperature infrared thermal imager 2, the output end of the image processing system 3 is connected with the input end of the temperature data sending module 4, the output end of the temperature data sending module 4 is connected with the input end of the central processing module 1, the central processing module 1 is in bidirectional connection with the temperature numerical analysis and comparison system 5, the temperature numerical analysis and comparison system 5 is in bidirectional connection with the data repository 6, the data repository 6 is in bidirectional connection with the central processing module 1, the temperature numerical analysis and comparison system 5 comprises a front timestamp data extraction module 51, a front and rear timestamp data receiving module 52, a temperature data analysis and comparison module 53 and an analysis and comparison result sending module 54, the output end of the front timestamp data extraction module 51 is connected with the input end of the front and rear timestamp data receiving module 52, the output end of the front and rear timestamp data receiving module 52 is connected with the input end of the temperature data analysis and comparison module 53, and the output end of the temperature data analysis and comparison module 53 is connected with the input end of the analysis and comparison result sending module 54, at the initial stage of the steel-tapping hole, the steel-tapping hole is relatively clean, basically no steel slag is attached, the steel-tapping hole is not corroded yet, the steel-tapping steel flow is relatively thin, the molten steel in the converter flows out uniformly, no vortex is generated, the steel-tapping slag is not easy to be entrained to influence the molten steel quality, at the later stage of the steel-tapping hole in use, the steel-tapping hole loses large aperture due to the corrosion oxidation of the steel-tapping hole, the molten steel is washed at high temperature and the like, the aperture is worn and deformed, the steel flow is thick, the steel-tapping hole is attached with the steel slag, the slag is easy to be entrained due to the excessively fast steel-tapping speed in this state, the molten steel flowing out can influence the lining corrosion of the converter, influencing the maintenance period of a furnace lining in a converter, counting that in the initial stage of the use of a steel-tapping hole, a 300-ton converter basically takes about 9-10 minutes to discharge a furnace of molten steel, and in the final stage of the use of the steel-tapping hole, only 5-6 minutes are needed to discharge the furnace of molten steel, so that the influence of the quality of the steel-tapping hole on the steel tapping of the converter is very large, the output end of a central processing module 1 is connected with the input end of a display unit 7, the input end of the display unit 7 is connected with the output end of an infrared thermal imager 2, the central processing module 1 is bidirectionally connected with a real-time timing unit 8, the central processing module 1 is bidirectionally connected with a personnel operation alarm module 9, the input end of the central processing module 1 is electrically connected with the output end of a power module 10, and the output end of the power module 10 is respectively connected with the infrared thermal imager 2, The temperature data sending module 4 is electrically connected with the input end of the temperature numerical analysis comparison system 5, and according to the data statistical analysis guidance, a steel mill can perform scheduled and targeted maintenance and maintenance on the steel tapping hole, the regular periodic maintenance and maintenance are performed in the past, the quality of the maintenance and repair hole is judged according to experience, the influence of human factors is great, sometimes, the maintenance is not timely, the problem that the maintenance is not in place can not effectively prolong the service life of the steel tapping hole of the converter, now, the real operation condition of the steel tapping hole of the converter can be clearly and effectively seen through the infrared monitoring system of the converter, the timely maintenance and maintenance are performed, the steel tapping hole is repaired in a targeted manner, the repair in place is guaranteed, meanwhile, the steel slag attached to the steel tapping hole can be timely cleaned in the use process, the infrared thermal imager 2 performs high-temperature thermal imaging on the steel tapping hole of the converter, and after the maintenance data with guidance significance is calculated and analyzed through an image recognition algorithm and sent to a field technician of the converter mill, the field operating personnel formulate a regular and quantitative maintenance plan, and after three months of execution, the service life of the converter steel-tapping hole which is accurately and effectively maintained is greatly prolonged, the service level of 300 heats on average is achieved, the equipment cost is not tightly saved, the production quality is also ensured, and obvious economic benefits are created for converter steel plants.
When the device is used, the infrared thermal imager 2, the temperature data sending module 4, the central processing module 1 and the temperature numerical analysis and comparison system 5 are respectively electrified through the power module 10, then a worker can input a standard deviation range value into the temperature data analysis and comparison module 53 of the temperature numerical analysis and comparison system 5 through the personnel operating the alarm module 9, then the worker can control the infrared thermal imager 2 to start to carry out thermal imaging shooting on the temperature of external molten steel, steel slag and a steel tapping hole through the central processing module 1, and respectively transmit the shot images into the image processing system 3 and the display unit 7, after the thermal imaging receiving module 31 in the image processing system 3 receives the images, the thermal images are converted into data information through the A/D conversion module 32, the temperature numerical value generating module 33 is used for generating temperature numerical values, and then the temperature numerical analysis module 34 is used for analyzing, then the temperature data is transmitted to the central processing module 1 through the temperature data transmitting module 4, the central processing module 1 then transmits the produced temperature values to the data storage 6 and the temperature value analyzing and comparing system 5, the front timestamp data extracting module 51 in the temperature value analyzing and comparing system 5 can extract the production temperature values at the front time point from the data storage 6 and transmit the extracted front temperature data to the front and rear timestamp data receiving modules 52, meanwhile, the temperature data at the moment is also transmitted to the front and rear timestamp data receiving modules 52, then the temperature data analyzing and comparing module 53 can perform difference algorithm processing on the front and rear temperature data to obtain the temperature difference values of the front and rear temperature points, then the analyzing and comparing result transmitting module 54 transmits the analyzing and comparing result to the central processing module 1 for analysis, if the difference value of the comparing result is larger, the central processing module 1 can control personnel to operate the alarm module 9 to give an alarm to remind workers of checking, the display unit 7 can display a comparison result, the real-time timing unit 8 can start timing after detection is finished, and detection is carried out again after set time is reached, so that automatic real-time detection is realized, and the whole working process of the infrared converter slag discharging detection system is finished.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an infrared converter sediment detecting system that descends, includes central processing module (1), its characterized in that: the output of central processing module (1) is connected with the input of infrared thermal imager (2), and the output of infrared thermal imager (2) is connected with the input of image processing system (3), image processing system (3) includes thermal imaging receiving module (31), AD conversion module (32), temperature data generation module (33) and temperature numerical analysis module (34), the output of thermal imaging receiving module (31) is connected with the input of AD conversion module (32), and the output of AD conversion module (32) is connected with the input of temperature data generation module (33), the output of temperature data generation module (33) is connected with the input of temperature numerical analysis module (34), the output of image processing system (3) is connected with the input of temperature data sending module (4), the output end of the temperature data sending module (4) is connected with the input end of the central processing module (1);
the central processing module (1) is in bidirectional connection with the temperature numerical analysis and comparison system (5), the temperature numerical analysis and comparison system (5) is connected with the data storage bank (6) in a bidirectional way, the data storage bank (6) is in bidirectional connection with the central processing module (1), the temperature numerical analysis and comparison system (5) comprises a front timestamp data extraction module (51), a front and rear timestamp data receiving module (52), a temperature data analysis and comparison module (53) and an analysis and comparison result sending module (54), the output end of the front timestamp data extraction module (51) is connected with the input end of the front timestamp data receiving module (52) and the rear timestamp data receiving module (52), the output end of the front and back time stamp data receiving module (52) is connected with the input end of the temperature data analyzing and comparing module (53), and the output end of the temperature data analysis and comparison module (53) is connected with the input end of the analysis and comparison result sending module (54).
2. The infrared converter slag tapping detection system of claim 1, wherein: the output end of the central processing module (1) is connected with the input end of the display unit (7), and the input end of the display unit (7) is connected with the output end of the infrared thermal imager (2).
3. The infrared converter slag tapping detection system of claim 1, wherein: the central processing module (1) is in bidirectional connection with the real-time timing unit (8), and the central processing module (1) is in bidirectional connection with the personnel operation alarm module (9).
4. The infrared converter slag tapping detection system of claim 1, wherein: the input end of the central processing module (1) is electrically connected with the output end of the power supply module (10), and the output end of the power supply module (10) is electrically connected with the input ends of the infrared thermal imager (2), the temperature data sending module (4) and the temperature numerical analysis comparison system (5) respectively.
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| CN110523784A (en) * | 2019-09-26 | 2019-12-03 | 柳州钢铁股份有限公司 | High-speed rod spinning temp measuring system |
| CN111998892A (en) * | 2020-07-23 | 2020-11-27 | 麦特勒智能科技(张家港)有限公司 | Mixed steel model system based on flow field and concentration field numerical simulation calculation |
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